/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    scroll-behavior: smooth;
}

:root {
    --bg-color: #090a0f;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #ffffff;
    --text-muted: #8b949e;
    --accent-color: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --terminal-green: #4af626;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    position: relative;
}

/* Custom scrollbar configuration */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: #21262d;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Ambient background glows */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    filter: blur(80px);
    pointer-events: none;
}
.glow-1 { top: -200px; left: 0; transition: transform 0.1s ease-out; }
.glow-2 { top: 1100px; left: -200px; background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, rgba(0,0,0,0) 70%); }

/* Glassmorphism Header navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(9, 10, 15, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.5px;
}
.logo span { color: var(--accent-color); }

.navbar a {
    font-size: 15px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    margin-left: 35px;
    transition: 0.3s;
}
.navbar a:hover, .navbar a.active {
    color: var(--text-main);
}

.header-btn {
    padding: 10px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-main);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
}
.header-btn:hover {
    background: var(--text-main);
    color: var(--bg-color);
    border-color: var(--text-main);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 8%;
    padding-top: 130px;
    padding-bottom: 60px;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 50px;
}

.hero-content {
    max-width: 650px;
    flex: 1;
}

/* Linux-Style Terminal Module */
.crypto-terminal {
    background: rgba(5, 6, 10, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    margin-bottom: 35px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
}

.terminal-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons { display: flex; gap: 6px; }
.terminal-buttons span { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.terminal-buttons span:nth-child(1) { background: #ff5f56; }
.terminal-buttons span:nth-child(2) { background: #ffbd2e; }
.terminal-buttons span:nth-child(3) { background: #27c93f; }

.terminal-title {
    color: var(--text-muted);
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
    margin-left: 20px;
}

.terminal-body {
    padding: 16px;
    height: 220px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

.terminal-line { margin-bottom: 6px; white-space: pre-wrap; }
.terminal-body .highlight { color: var(--accent-color); font-weight: bold; }
.terminal-body .green-text { color: var(--terminal-green); }

.terminal-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.prompt { color: var(--terminal-green); }

#terminal-input {
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    flex: 1;
}

/* Interactive Avatar Frame */
.hero-avatar {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    max-width: 400px;
}

.avatar-frame {
    width: 320px;
    height: 400px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s;
}

.avatar-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    transition: opacity 0.5s ease, transform 0.5s ease;
    filter: brightness(0.85) contrast(1.05) saturate(0.85);
}

.avatar-frame .img-hover { opacity: 0; }

.hero-avatar:hover .avatar-frame {
    transform: scale(1.03) rotate(-1deg);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px var(--accent-glow);
}

.hero-avatar:hover .avatar-frame .img-main { opacity: 0; }
.hero-avatar:hover .avatar-frame .img-hover {
    opacity: 1;
    transform: scale(1.03);
    filter: brightness(1) contrast(1) saturate(1);
}

.avatar-glow {
    position: absolute;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, rgba(0,0,0,0) 70%);
    filter: blur(40px);
    z-index: -1;
    transition: 0.4s;
}
.hero-avatar:hover .avatar-glow {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, rgba(0,0,0,0) 70%);
}

/* Typography & Badges */
.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}
.hero h1 span {
    background: linear-gradient(45deg, #fff, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 17px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 30px;
}

/* Interactive Buttons */
.btn-group { display: flex; gap: 16px; }
.btn {
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
}
.btn-primary {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
}
.btn-secondary {
    background: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Common Section Headers */
.projects, .skills, .contacts {
    padding: 100px 8%;
    background-color: var(--bg-color);
}

.section-title { margin-bottom: 50px; }
.section-title span {
    color: var(--accent-color);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 8px;
}
.section-title h2 { font-size: 36px; font-weight: 800; letter-spacing: -0.5px; }

/* Grid Layouts */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s, box-shadow 0.3s;
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.card-tags { display: flex; gap: 10px; margin-bottom: 20px; }
.card-tags span {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.project-card h3 { font-size: 22px; font-weight: 600; margin-bottom: 12px; }
.project-card p { color: var(--text-muted); font-size: 15px; line-height: 1.6; margin-bottom: 25px; }

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-main);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}
.project-card:hover .project-link { color: var(--accent-color); }
.project-link i { font-size: 18px; transition: transform 0.3s; }
.project-link:hover i { transform: translateX(4px); }

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.skill-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 600;
    transition: 0.3s;
}

.skill-item i { font-size: 24px; color: var(--accent-color); }
.skill-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.02);
}

/* Contacts Cards Layout */
.contact-cards { display: flex; gap: 20px; flex-wrap: wrap; }

.contact-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    text-decoration: none;
    color: var(--text-main);
    min-width: 250px;
    flex: 1;
    transition: 0.3s;
}

.contact-box i { font-size: 32px; color: var(--accent-color); margin-bottom: 15px; }
.contact-box h3 { font-size: 20px; margin-bottom: 8px; }
.contact-box p { color: var(--text-muted); font-size: 14px; }
.contact-box:hover {
    border-color: var(--accent-color);
    background: rgba(99, 102, 241, 0.05);
}

/* Responsive design triggers */
@media (max-width: 968px) {
    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
        gap: 40px;
    }
    .btn-group { justify-content: center; }
    .avatar-frame { width: 280px; height: 350px; }
}